Abstract
A new species of Sciodaphyllum (Araliaceae), S. pygmaeum, is described and illustrated from the basin of the Anchicayá River in the Chocó Biogeographical region of Colombia. This new species differs from other members of the genus by being a small monocaulous shrub, with hollow branches, tubular stipular ligules, and fewer secondary branches in the inflorescence. The conservation status of S. pygmaeum is accessed to be Least Concern (LC) according to IUCN categories and criteria.